Please help!!!!!!!!!! 25 points
2 answers:
Answer: 3.3 × 10⁹
Concept:
When multiplying exponents, add the exponents together.
When dividing exponents, subtract the exponents.
Solve:
<u>Given expression</u>
(3 × 10⁴) × (1.1 × 10⁵)
<u />
<u>Put like terms together</u>
=3 × 1.1 × 10⁴ × 10⁵
<u>Combine like terms</u>
=3.3 × 10⁴⁺⁵
=
Hope this helps!! :)
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Step-by-step explanation:
Given that,
The length of a ladder, H = 20 feet
The height of the wall, h = 15 ft
We know that,
h is perpendicular and H is hypotenuse
So,
Now using Pythagoras theoerm,
Hence, the angle made by the ladder and the ground is 48.59° and the ladder is 13.2 feet from the wall on the ground.